Agricultural mods, Flu, Wash plant's, Bearings, Rollers! This one has it all! Chronicles Ch #026

WELDERFABBER

26 Jan 202470:57

Summary

TLDRThe video follows a construction equipment service team as they troubleshoot issues with crushing machines at various job sites. They discover a jaw crusher hasn't been properly greased, causing a failed bearing, and make repairs. They emphasize the importance of proper maintenance procedures and training operators on grease points to prevent unnecessary breakdowns. Though they face some health setbacks, the team persists in sourcing parts, making repairs, and resolving problems to keep projects and clients on track.

Takeaways

😊 The video follows bz on maintenance jobs for heavy machinery like crushers and log washers
😮 A tail drum bearing has failed on a fairly new crusher due to lack of greasing
👨‍🔧 They lift the crusher and pull the belt aside to access and replace the bearing
🤔 The operator was not trained on all grease points, highlighting a need for better procedures
⛽ A bent guard plate is also replaced to avoid belt damage
🔧 A threaded sleeve is installed in a damaged block on an excavator track frame
⚙ The old bearing housing from the log washer is kept to reuse parts and save money
🔨 The damaged excavator part is reinstalled after being repaired
😊 Despite health issues, bz persists in completing the needed maintenance jobs
👍 Good maintenance prevents more costly breakdowns and keeps machines running

Q & A

What machine has the failed tail drum bearing?
-A JCB JS45 excavator in Liverpool.
What is the cause of the bearing failure?
-Lack of proper greasing over an extended period.
What process will they follow to replace the bearing?
-They will lift the machine, drop the tail drum, pull the belt across, remove the old bearing, install a new one, reposition the belt and test.
What other maintenance issues did they find?
-Lack of jaw tightening, material buildup inside the chassis, damaged belt, bent guard plate.
What will they do about the bent guard plate?
-Remove it and remake at the correct 45 degree angle.
What was the other job they went to?
-Replacing broken bolts and fixing threads on a top roller block from a CX210.
How did they fix the damaged threads?
-By inserting a threaded metal sleeve and using Loctite.
What happened with the CX210 job?
-The machine got returned so they will complete the repair back at the workshop.
What will they reuse from the old assembly?
-The stub end piece, just needing a new bearing installed.
How did they weld on the new top roller block?
-With low hydrogen electrodes, grounding to the track frame, using a stitch and 3 passes.